7-2 CHAPTER 7: TROUBLESHOOTINGFigure 7-1 Adapter LEDsWhen lit, the green LED (labeled “4”) indicates that the adapteris set to 4 Mbps speed and is correctly inserted into the ring.When lit, the yellow LED (labeled “16”) indicates that the adapteris set to 16 Mbps and is correctly inserted into the ring.Using the TokenDisk Diskette Diagnostic ProgramRun the TokenDisk diskette Configuration and DiagnosticProgram for your installed 3C619C adapter when you need todo the following:n Test for setup/configurationn Test for physical board problemsn View adapter statisticsThe diagnostic program tests the adapter, not the network.Make sure to boot from DOS before running the diagnosticprogram because the TokenDisk diskette is not a bootable disk.Make sure that your PC has an 80386 or higher processor.The 3C619C adapter must be connected to the network for alltests.4 16 16 Mbps4 Mbps
